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Asus Zenfone 3 ZE520KL

Asus Zenfone 3 ZE552KL

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network	HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan	HSDPA 850 / 900 / 1900 / 2100 - Global
	HSDPA 850 / 900 / 1900 / 2100 - Global	HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan
	HSDPA 850 / 900 / 2100 - India	HSDPA 850 / 900 / 2100 - India
	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA/Brazil
4G Network	1, 2, 3, 5, 7, 8, 18, 19, 26, 28, 38, 39, 40, 41 - Taiwan	1, 2, 3, 5, 7, 8, 20 - Global
	1, 3, 5, 8, 40 - India	1, 2, 3, 5, 7, 8, 18, 19, 26, 28, 38, 39, 40, 41 - Taiwan
	1, 2, 3, 4, 5, 7, 8, 17, 28 - Brazil	1, 3, 5, 8, 40 - India
		1, 2, 3, 4, 5, 7, 8, 17, 28 - USA/Brazil
Speed	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (Global) or LTE (2CA) Cat6 300/50 Mbps (TW/HK/SG/PH)	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (Global), LTE (2CA) Cat6 300/50 Mbps (Taiwan)

Launch
Announced	2016, July. Released 2016, August	2016, May. Released 2016, August
Status	Discontinued	Discontinued

Body
Dimensions	146.9 x 74 x 7.7 mm (5.78 x 2.91 x 0.30 in)	152.6 x 77.4 x 7.7 mm (6.01 x 3.05 x 0.30 in)
Weight	144 g (5.08 oz)	155 g (5.47 oz)
Build		Glass front (Gorilla Glass 3), glass back (Gorilla Glass 3), aluminum frame
SIM	Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)	Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)

Display
Type	Super IPS+	Super IPS+
Size	5.2 inches, 74.5 cm2 (~68.6% screen-to-body ratio)	5.5 inches, 83.4 cm2 (~70.6% screen-to-body ratio)
Resolution	1080 x 1920 pixels, 16:9 ratio (~424 ppi density)	1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass 3

Platform
OS	Android 6.1 (Marshmallow), upgradable to 7 (Nougat), ZenUI 3	Android 6.0.1 (Marshmallow), upgradable to 7.0 (Nougat), ZenUI 3
Chipset	Qualcomm MSM8953 Snapdragon 625 (14 nm)	Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU	Octa-core 2.0 GHz Cortex-A53	Octa-core 2.0 GHz Cortex-A53
GPU	Adreno 506	Adreno 506

Memory
Card slot	microSDXC (uses shared SIM slot)	microSDXC (uses shared SIM slot)
Internal	32GB 3GB RAM, 64GB 4GB RAM	32GB 3GB RAM, 64GB 4GB RAM
	eMMC 5.1	eMMC 5.1

Main Camera
Modules	16 MP, f/2.0, PDAF, Laser AF, 4-axis OIS	16 MP, f/2.0, PDAF, Laser AF, 3-axis OIS
Features	Dual-LED dual-tone flash, panorama, HDR	Dual-LED dual-tone flash, panorama, HDR
Video	4K@30fps, 1080p@60fps	4K@30fps

Selfie Camera
Modules	8 MP, f/2.0	8 MP, f/2.0
Video	1080p@30fps	1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes
	24-bit/192kHz audio	24-bit/192kHz audio

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct
Bluetooth	4.2, A2DP, EDR, LE	4.2, A2DP, EDR, LE
Positioning	GPS, GLONASS, BDS	GPS, GLONASS
NFC	No	No
Infrared port	No	No
Radio	FM radio, RDS	FM radio
USB	USB Type-C 2.0, OTG	USB Type-C 2.0, OTG

Features
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery
Type	Li-Ion 2600 mAh, non-removable	Li-Ion 3000 mAh, non-removable

Misc
Colors	Sapphire Black, Moonlight White, Shimmer Gold	Sapphire Black, Moonlight White, Shimmer Gold
Models	Z017DB, Z017D, Z017DA, Z017DC, ZE520KL, ZA520KL	Z012DB, Z012D, Z012DA, Z012DC, Z012S, Z012DE
Price	About 280 EUR	About 330 EUR

Tests
Performance		Basemark OS II 2.0: 1205
Display		Contrast ratio: 1355 (nominal), 2.563 (sunlight)
Loudspeaker		Voice 65dB / Noise 70dB / Ring 76dB
Audio quality		Noise -86.6dB / Crosstalk -91.1dB
Battery (old)		Endurance rating 74h